Cadwaladr

Cadwaladr (630-664) was King of Gwynedd from 634 to 664, succeeding Cadwallon ap Cadfan and preceding Ifwr ap Cadwaladr.

Biography
Cadwaladr was the son of Cadwallon ap Cadfan, and he became King of Gwynedd in 634 upon his father's death. He was defeated by Wessex near Exeter in 658, but he was known to be peaceful and pious, and he patronized many churches. He died of the plague in 664.